Esempio n. 1
0
        /// <summary>
        /// Parses the given messages and invokes the ConnectionNewValidMessage event for each message.
        /// </summary>
        /// <param name="data">The messages string to parse.</param>
        private async Task parseMessageAsync(string data)
        {
            // Parse message:
            List <AbstractMessage> messages = null;

            try
            {
                messages = parser.parseMessages(data);
            }
            catch (Exception e)
            {
                Logger.Error("Error during message parsing." + e);
                return;
            }

            // Process messages:
            foreach (AbstractMessage msg in messages)
            {
                // Filter IQ messages which ids are not valid:
                if (msg is IQMessage)
                {
                    IQMessage iq = msg as IQMessage;
                    if (iq.GetType().Equals(IQMessage.RESULT) && messageIdCache.getTimed(iq.ID) != null)
                    {
                        Logger.Warn("Invalid message id received!");
                        return;
                    }
                }

                // Invoke message processors:
                NewValidMessage?.Invoke(this, new NewValidMessageEventArgs(msg));

                // Should restart connection?
                if (msg.getRestartConnection() != AbstractMessage.NO_RESTART)
                {
                    if (msg.getRestartConnection() == AbstractMessage.SOFT_RESTART)
                    {
                        await softRestartAsync();
                    }
                    else if (msg.getRestartConnection() == AbstractMessage.HARD_RESTART)
                    {
                        await hardRestartAsync();
                    }
                    else
                    {
                        throw new ArgumentException("Invalid restart type: " + msg.getRestartConnection());
                    }
                }

                // Filter already processed messages:
                if (msg.isProcessed())
                {
                    return;
                }

                // --------------------------------------------------------------------
                // Open stream:
                if (msg is OpenStreamAnswerMessage)
                {
                    OpenStreamAnswerMessage oA = msg as OpenStreamAnswerMessage;
                    if (oA.ID == null)
                    {
                        // TODO Handle OpenStreamAnswerMessage id == null
                        //Error throw exception?!
                        return;
                    }
                    streamId = oA.ID;
                }
                // Close stream message:
                else if (msg is CloseStreamMessage)
                {
                    switch (state)
                    {
                    case ConnectionState.CONNECTING:
                    case ConnectionState.CONNECTED:
                        await internalDisconnectAsync();

                        break;
                    }
                }
                // Rooster:
                else if (msg is RosterMessage)
                {
                    NewRoosterMessage?.Invoke(this, new NewValidMessageEventArgs(msg));
                }
                // Presence:
                else if (msg is PresenceMessage && (msg as PresenceMessage).getFrom() != null)
                {
                    NewPresenceMessage?.Invoke(this, new NewValidMessageEventArgs(msg));
                }
                // Bookmarks:
                else if (msg is BookmarksResultMessage)
                {
                    NewBookmarksResultMessage?.Invoke(this, new NewBookmarksResultMessageEventArgs(msg as BookmarksResultMessage));
                }
                else if (msg is OmemoDeviceListEventMessage deviceListEvent)
                {
                    OMEMO_HELPER.onOmemoDeviceListEventMessage(deviceListEvent);
                }
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Parses the given messages and invokes the ConnectionNewValidMessage event for each message.
        /// </summary>
        /// <param name="data">The messages string to parse.</param>
        private async Task ParseMessageAsync(string data)
        {
            // Parse message:
            List <AbstractMessage> messages = null;

            try
            {
                messages = PARSER.parseMessages(ref data);
            }
            catch (Exception e)
            {
                Logger.Error("[XMPPConnection2]: Error during message parsing." + e);
                return;
            }

            // Process messages:
            foreach (AbstractMessage msg in messages)
            {
                // Stream error messages:
                if (msg is StreamErrorMessage errorMessage)
                {
                    Logger.Warn("[XMPPConnection2]: Received stream error message: " + errorMessage.ToString());
                    lastConnectionError = new ConnectionError(ConnectionErrorCode.SERVER_ERROR, errorMessage.ToString());
                    await OnConnectionErrorAsync();
                    await SendStreamCloseMessageAsync();

                    return;
                }

                // Filter IQ messages which ids are not valid:
                if (msg is IQMessage iq)
                {
                    if (iq.GetType().Equals(IQMessage.RESULT) && messageIdCache.GetTimed(iq.ID) != null)
                    {
                        Logger.Warn("[XMPPConnection2]: Invalid message id received!");
                        return;
                    }
                }

                // Respond to XEP-0199 (XMPP Ping) messages:
                if (msg is PingMessage pingMsg)
                {
                    Logger.Debug("[XMPPConnection2]: XMPP ping received from " + pingMsg.getFrom());
                    await SendAsync(pingMsg.generateResponse(), true);
                }

                // Invoke message processors:
                NewValidMessage?.Invoke(this, new NewValidMessageEventArgs(msg));

                // Should restart connection?
                if (msg.getRestartConnection() != AbstractMessage.NO_RESTART)
                {
                    if (msg.getRestartConnection() == AbstractMessage.SOFT_RESTART)
                    {
                        await SoftRestartAsync();
                    }
                    else if (msg.getRestartConnection() == AbstractMessage.HARD_RESTART)
                    {
                        await HardRestartAsync();
                    }
                    else
                    {
                        throw new ArgumentException("[XMPPConnection2]: Invalid restart type: " + msg.getRestartConnection());
                    }
                }

                // Filter already processed messages:
                if (msg.isProcessed())
                {
                    return;
                }

                // --------------------------------------------------------------------
                // Open stream:
                if (msg is OpenStreamAnswerMessage oA)
                {
                    if (oA.ID is null)
                    {
                        // TODO Handle OpenStreamAnswerMessage id is null
                        //Error throw exception?!
                        return;
                    }
                }
                // Close stream message:
                else if (msg is CloseStreamMessage)
                {
                    switch (state)
                    {
                    case ConnectionState.CONNECTING:
                    case ConnectionState.CONNECTED:
                        await InternalDisconnectAsync(false);

                        break;
                    }
                }
                // Rooster:
                else if (msg is RosterResultMessage)
                {
                    NewRoosterMessage?.Invoke(this, new NewValidMessageEventArgs(msg));
                }
                // Presence:
                else if (msg is PresenceMessage presenceMessage && !(presenceMessage.getFrom() is null))
                {
                    NewPresenceMessage?.Invoke(this, new NewValidMessageEventArgs(msg));
                }
Esempio n. 3
0
 //--------------------------------------------------------Events:---------------------------------------------------------------------\\
 #region --Events--
 private void Connection_ConnectionNewRoosterMessage(IMessageSender sender, NewValidMessageEventArgs args)
 {
     NewRoosterMessage?.Invoke(this, args);
 }